312 points Speedy Delivery Systems can buy a piece of equipment that is antic pated to provide an 10 percent return and can be financed at 7 percent with debt. Later in the year, the firm turns down an opportunity to buy a new machine that would yield a 17 percent retum but would cost 19 percent to finance through common equity Assume debt and common equity each represent 50 percent of the firm's capital structure a. Compute the woighted average cost of capital (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) Weighted average cost of capital